CN106532916A - Parallel power supply control method for storage battery packs - Google Patents
Parallel power supply control method for storage battery packs Download PDFInfo
- Publication number
- CN106532916A CN106532916A CN201611117302.2A CN201611117302A CN106532916A CN 106532916 A CN106532916 A CN 106532916A CN 201611117302 A CN201611117302 A CN 201611117302A CN 106532916 A CN106532916 A CN 106532916A
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- China
- Prior art keywords
- accumulator battery
- accumulator
- battery
- disconnects
- controlling switch
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
Abstract
The invention discloses a parallel power supply control method for storage battery packs, and belongs to the field of aviation electrical technology. The method adopts intelligent storage battery packs, a bus bar power controller and a bypass switch, parallel operation of two storage battery packs is controlled, when one storage battery pack is in a charging state, the other storage battery pack is in a discharging state, and after the condition lasts for three seconds, the storage battery pack in the charging state is disconnected automatically, and the storage battery pack to be discharged is connected again when the voltage is decreased to a certain voltage. According to the method, parallel operation of the storage battery packs is controlled by detecting relevant parameters, so that the phenomenon of charging while discharging is avoided; and moreover, the bypass switch is arranged, the storage battery packs can be forced to be connected when necessary, and emergency power supply of a helicopter is guaranteed, so that safety reliability of an airplane is effectively improved.
Description
Technical field
The invention belongs to aircraft electric technology, and in particular to the parallel operation controlling party of the accumulator battery of two unknown capacities
Method.
Background technology
Aircraft battery group as aircraft or a kind of emergency power supply electric supply installation of helicopter, in primary source failure
When, to the crucial electricity consumption load supplying for affecting flight safety.At present, most of helicopter typically adopts an accumulator battery
Independently-powered or two accumulator batteries are independently-powered, it is not necessary to carry out parallel operation control.Using two accumulator batteries alliance
When electric, cannot often avoid the electric discharge of charging that two accumulator batteries occur when capacity, line parameter circuit value are inconsistent existing
As, due to battery charging efficiency it is inconsistent with discharging efficiency, when occur one charge electric discharge phenomena when, accumulator
The valuable capacity of group will be wasted.
The content of the invention
The purpose of the present invention：There is provided a kind of accumulator battery that can be prevented effectively to occur one filling a parallel operation control for putting phenomenon
Method processed.
Technical scheme：A kind of accumulator battery parallel operation control method, which includes two accumulator batteries, confluxes
Two accumulator battery parallel runnings are controlled by bar power controller, bypass cock, are filled when one accumulator battery of appearance is in
Electricity condition, and another accumulator battery is in discharge condition, and after continuing Preset Time, automatically cut off charged state accumulator
Group, state accumulator battery voltage to be discharged are again switched on when being reduced to certain voltage.
In automatic Control Fault, the bypass cock directly controls accumulator battery catalyst, makes accumulator battery grid-connected and moves back
Net, it is ensured that the emergency service of helicopter.
One battery component, the three tunnel output, the first via are directly connected to corresponding accumulator battery catalyst, the second tunnel
Connect corresponding accumulator battery controlling switch, the 3rd tunnel connection busbar power control unit, the accumulator battery controlling switch are defeated
Go out a point two-way, be directly connected to busbar power control unit all the way, another road Jing bypass cocks are connected to corresponding accumulator battery contact
Device, the accumulator battery catalyst are connected with busbar power control unit, and connect emergent busbar.
Described accumulator battery parallel operation control method is automatically controlled using busbar power control unit, concrete mistake
Journey is as follows：
Step 1：Whether detection direct-current ground power supply is connected, and such as connects, then disconnects accumulator battery, to ensure that ground power supply is excellent
First power, wherein, two groups of battery component, respectively 1, No. 2 accumulator batteries；
Step 2：Whether 1, No. 2 accumulator battery controlling switches of detection are connected, and such as controlling switch is connected, then connect 1, No. 2 storages
Set of cells, makes the grid-connected power supply of accumulator battery；
Step 3：1st, after the grid-connected power supply of No. 2 accumulator batteries, 1, No. 2 battery currents are monitored, reflux such as occurs
Failure, then disconnect reflux state accumulator battery, to protect accumulator battery, it is to avoid thermal runaway；
Step 4：1st, the grid-connected power supply of No. 2 accumulator batteries and during no reflux failure, detects Bus Tie Contactor,
When BTB is connected, it is meant that main power source is normal, is not in now to fill one to put, two accumulator batteries are connected, is made
Two accumulator batteries are in floating charge state；
When BTB disconnects, it is meant that primary source failure, need to carry out next step detection；
Step 5：1, No. 2 battery currents of detection, fill one such as appearance one and put and maintain 3 seconds, then arrange accumulator battery one
Fill one and put mark, and disconnect the accumulator battery of charged state, it is to avoid waste Emergency power source；
Step 6：Accumulator battery one is filled one and is put under state, detects 1, No. 2 accumulator battery controlling switches；
Step 7：Accumulator battery one is filled one and is put under state, detects discharge condition accumulator battery voltage, is such as less than setting value, then
The accumulator battery of charged state is connected, the accumulator battery of discharge condition is disconnected, is cancelled accumulator battery one and is filled one and put mark, to guarantee
Two accumulator batteries can provide emergency service.
Described accumulator battery parallel operation control method, in its step 6：
As charged state accumulator battery controlling switch is connected, discharge condition accumulator battery controlling switch is connected, and is disconnected and being charged
The accumulator battery of state；
As charged state accumulator battery controlling switch disconnects, discharge condition accumulator battery controlling switch is connected, and is disconnected and being charged
The accumulator battery of state, cancels accumulator battery one and fills one and put mark；
As charged state accumulator battery controlling switch is connected, discharge condition accumulator battery controlling switch disconnects, and disconnects electric discharge
The accumulator battery of state, connects the accumulator battery of discharge condition；
As charged state accumulator battery controlling switch disconnects, discharge condition accumulator battery controlling switch disconnects, and terminates.
The technique effect of the present invention：
Control is simple, reliability is high, compared with general control method, both effectively prevent one and fills one and put, and employed side again
Open up pass, it is to avoid the wasting of the accumulator battery energy, in turn ensure that safety.The present invention is applied in concrete model,
Using effect is good.
Description of the drawings
Fig. 1 is accumulator battery parallel configurations figure of the present invention；
Fig. 2 is the flow chart of accumulator battery parallel operation control method of the present invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is referred to, in the present invention, in order to improve emergency power supply high current power supply capacity, is needed using two accumulator
Group parallel operation.Associated components include No. 1, No. 2 accumulator batteries, No. 1, No. 2 accumulator battery controlling switches, No. 1, No. 2 accumulator
Group catalyst, busbar power control unit, bypass cock, busbar of meeting an urgent need, two groups of identical parallel operations of above-mentioned composition
Control circuit, the annexation between each part refer to Fig. 1.Wherein, one group of power-supplying circuit includes 1 accumulator battery, No. 1 storage
Set of cells controlling switch, No. 1 accumulator battery catalyst and corresponding bypass cock etc., three road of No. 1 battery component are defeated
Go out, the first via is directly connected to No. 1 accumulator battery catalyst, the second tunnel connects No. 1 accumulator battery controlling switch, and the connection of the 3rd tunnel converges
Stream bar power controller, No. 1 accumulator battery controlling switch output point two-way, is directly connected to busbar power control unit, separately all the way
Open up connection is connected to No. 1 accumulator battery catalyst, No. 1 accumulator battery catalyst and busbar Power Control to Jing on one side all the way
Device is connected, and connects emergent busbar.2 accumulator battery, No. 2 accumulator battery controlling switches and No. 2 accumulator battery contacts
Device constitutes another group of power-supplying circuit, and the connection of the power-supplying circuit constituted with the part such as No. 1 accumulator battery above is closed
System is consistent, and the two is into symmetrical standby.
The present invention has voltage, electric current and capacity check function, above-mentioned number using intelligent accumulator battery, the accumulator battery
Busbar power control unit is sent to according to by data/address bus；Accumulator battery controlling switch is used to provide on-off model to confluxing
Bar power controller.Busbar power control unit detects above-mentioned signal and main power source system mode, and 28V controls are exported after process
Signal gives accumulator battery catalyst, catalyst energized action, so that the grid-connected power supply of accumulator battery.
The bypass cock carry out it is emergent control manually, control power supply from accumulator battery, Jing accumulator battery controlling switches,
Accumulator battery catalyst is added to after bypass cock, directly can be controlled by bypass cock in busbar power control unit failure
Accumulator battery catalyst connecting and disconnecting, make accumulator battery grid-connected and logout.
Using intelligent accumulator battery and busbar power control unit, the present invention realizes that intelligent accumulator battery has electric power storage
Cell voltage, electric current and capacity check function, above-mentioned data send busbar power control unit, busbar work(to by data/address bus
Rate controller is controlled to accumulator battery parallel running by detecting the parameters such as main power source system mode, battery current.When
There is an accumulator battery and be in charged state, and another accumulator battery is in discharge condition, and when continuing 3 seconds, cut automatically
Disconnected charged state accumulator battery, state accumulator battery voltage to be discharged are again switched on when being reduced to 20V.In order to avoid busbar work(
Accumulator battery that rate controller failure brings situation out of control, is provided with bypass cock, can connect electric power storage when necessary by force
Pond group, it is ensured that the emergency service of helicopter.
Its detailed process is shown in as shown in Figure 2：
Step 1：Whether detection direct-current ground power supply is connected, and such as connects, then disconnects accumulator battery, to ensure that ground power supply is excellent
First power.
Step 2：Whether 1, No. 2 accumulator battery controlling switches of detection are connected, and such as controlling switch is connected, then connect 1, No. 2 storages
Set of cells, makes the grid-connected power supply of accumulator battery, such as controlling switch access failure, then connect controlling switch and be further continued for top-operation.
Step 3：1st, after the grid-connected power supply of No. 2 accumulator batteries, 1, No. 2 battery currents are monitored, reflux such as occurs
Failure, then disconnect reflux state accumulator battery, to protect accumulator battery, it is to avoid thermal runaway.
Step 4：1st, the grid-connected power supply of No. 2 accumulator batteries and during no reflux failure, detects Bus Tie Contactor
(BTB), the catalyst is used to connect generator busbar and accumulator battery busbar.
When BTB is connected, it is meant that main power source is normal, is not in now to fill one to put, can connect two accumulator
Group, makes two accumulator batteries be in floating charge state.
When BTB disconnects, it is meant that primary source failure, need to carry out next step detection.
Step 5：1, No. 2 battery currents of detection, fill one such as appearance one and put and maintain 3 seconds, then arrange accumulator battery one
Fill one and put mark, and disconnect the accumulator battery of charged state, it is to avoid waste Emergency power source.
Step 6：Accumulator battery one is filled one and is put under state, detects 1, No. 2 accumulator battery controlling switches.
As charged state accumulator battery controlling switch is connected, discharge condition accumulator battery controlling switch is connected, and is disconnected and being charged
The accumulator battery of state.
As charged state accumulator battery controlling switch disconnects, discharge condition accumulator battery controlling switch is connected, and is disconnected and being charged
The accumulator battery of state, cancels accumulator battery one and fills one and put mark.
As charged state accumulator battery controlling switch is connected, discharge condition accumulator battery controlling switch disconnects, and disconnects electric discharge
The accumulator battery of state, connects the accumulator battery of discharge condition.
As charged state accumulator battery controlling switch disconnects, discharge condition accumulator battery controlling switch disconnects, and terminates.
Step 7：Accumulator battery one is filled one and is put under state, detects discharge condition accumulator battery voltage, is such as less than 20V, then connects
The accumulator battery of logical charged state, disconnects the accumulator battery of discharge condition, cancels accumulator battery one and fills one and put mark, to guarantee two
Platform accumulator battery can provide emergency service.
Based on above-mentioned briefing, The present invention gives a kind of accumulator battery parallel operation control method, with conventional aviation
Battery is compared using on-off control, it is to avoid one fills one puts, and has saved the Emergency power source of preciousness, while in order to ensure system safety
Property, bypass cock is provided with, in case of emergency directly can be controlled.
Claims (5)
1. a kind of accumulator battery parallel operation control method, it is characterised in that including two accumulator batteries, busbar Power Control
Two accumulator battery parallel runnings are controlled by device, bypass cock, are in charged state when there is an accumulator battery, and
Another accumulator battery is in discharge condition, and after continuing Preset Time, automatically cuts off charged state accumulator battery, shape to be discharged
State accumulator battery voltage is again switched on when being reduced to certain voltage.
2. accumulator battery parallel operation control method according to claim 1, it is characterised in that be provided with bypass cock,
In automatic Control Fault, the bypass cock directly controls accumulator battery catalyst, makes accumulator battery grid-connected and logout, it is ensured that straight
The emergency service of the machine of liter.
3. accumulator battery parallel operation control method according to claim 1 a, it is characterised in that accumulator battery
The output of three tunnels, the first via is divided to be directly connected to corresponding accumulator battery catalyst, the second tunnel connects corresponding accumulator battery control and opens
Close, the 3rd tunnel connection busbar power control unit, the accumulator battery controlling switch output point two-way is directly connected to conflux all the way
Bar power controller, another road Jing bypass cocks are connected to corresponding accumulator battery catalyst, the accumulator battery catalyst and remittance
Stream bar power controller is connected, and connects emergent busbar.
4. accumulator battery parallel operation control method according to claim 1, it is characterised in that using busbar power control
Device processed is automatically controlled, and detailed process is as follows：
Step 1：Whether detection direct-current ground power supply is connected, and such as connects, then disconnects accumulator battery, to ensure that ground power supply is preferentially supplied
Electricity, wherein, two groups of battery component, respectively 1, No. 2 accumulator batteries；
Step 2：Whether 1, No. 2 accumulator battery controlling switches of detection are connected, and such as controlling switch is connected, then connect 1, No. 2 accumulator
Group, makes the grid-connected power supply of accumulator battery；
Step 3：1st, after the grid-connected power supply of No. 2 accumulator batteries, 1, No. 2 battery currents are monitored, reflux failure such as occur,
Reflux state accumulator battery is disconnected then, to protect accumulator battery, it is to avoid thermal runaway；
Step 4：1st, the grid-connected power supply of No. 2 accumulator batteries and during no reflux failure, detects Bus Tie Contactor,
When BTB is connected, it is meant that main power source is normal, is not in now to fill one to put, two accumulator batteries are connected, two are made
Accumulator battery is in floating charge state；
When BTB disconnects, it is meant that primary source failure, need to carry out next step detection；
Step 5：1, No. 2 battery currents of detection, fill one such as appearance one and put and maintain 3 seconds, then arrange accumulator battery one and fill one
Mark is put, and disconnects the accumulator battery of charged state, it is to avoid waste Emergency power source；
Step 6：Accumulator battery one is filled one and is put under state, detects 1, No. 2 accumulator battery controlling switches；
Step 7：Accumulator battery one is filled one and is put under state, detects discharge condition accumulator battery voltage, is such as less than setting value, then connects
The accumulator battery of charged state, disconnects the accumulator battery of discharge condition, cancels accumulator battery one and fills one and put mark, to guarantee two
Accumulator battery can provide emergency service.
5. accumulator battery parallel operation control method according to claim 4, it is characterised in that in step 6：
As charged state accumulator battery controlling switch is connected, discharge condition accumulator battery controlling switch is connected, and disconnects charged state
Accumulator battery；
As charged state accumulator battery controlling switch disconnects, discharge condition accumulator battery controlling switch is connected, and disconnects charged state
Accumulator battery, cancel accumulator battery one and fill one and put mark；
As charged state accumulator battery controlling switch is connected, discharge condition accumulator battery controlling switch disconnects, and disconnects discharge condition
Accumulator battery, connect discharge condition accumulator battery；
As charged state accumulator battery controlling switch disconnects, discharge condition accumulator battery controlling switch disconnects, and terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611117302.2A CN106532916B (en) | 2016-12-07 | 2016-12-07 | A kind of battery group parallel operation control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611117302.2A CN106532916B (en) | 2016-12-07 | 2016-12-07 | A kind of battery group parallel operation control method |
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| CN106532916A true CN106532916A (en) | 2017-03-22 |
| CN106532916B CN106532916B (en) | 2019-10-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110797965A (en) * | 2019-10-11 | 2020-02-14 | 中国直升机设计研究所 | Electricity conversion structure and method |
| CN112260338A (en) * | 2020-09-25 | 2021-01-22 | 中国直升机设计研究所 | Direct current emergency power supply system |
| CN112895974A (en) * | 2021-01-19 | 2021-06-04 | 四川腾盾科技有限公司 | Method for increasing the reliability of an onboard battery system and corresponding operating method |
| CN113852169A (en) * | 2021-10-27 | 2021-12-28 | 上海磐拓航空科技服务有限公司 | Low-voltage power supply device of electric airplane |
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| JP2003143768A (en) * | 1995-01-31 | 2003-05-16 | Fujitsu Ltd | Power supply circuit and information processor with the power supply circuit built in |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110797965A (en) * | 2019-10-11 | 2020-02-14 | 中国直升机设计研究所 | Electricity conversion structure and method |
| CN110797965B (en) * | 2019-10-11 | 2023-04-28 | 中国直升机设计研究所 | Electricity conversion structure and method |
| CN112260338A (en) * | 2020-09-25 | 2021-01-22 | 中国直升机设计研究所 | Direct current emergency power supply system |
| CN112895974A (en) * | 2021-01-19 | 2021-06-04 | 四川腾盾科技有限公司 | Method for increasing the reliability of an onboard battery system and corresponding operating method |
| CN113852169A (en) * | 2021-10-27 | 2021-12-28 | 上海磐拓航空科技服务有限公司 | Low-voltage power supply device of electric airplane |
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| CN106532916B (en) | 2019-10-18 |
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